GSM

Definition:

GSM stands for Global System for Mobile communications and represents a standard for mobile phone communication. Consumers with GSM mobile phones can often roam between different cellular providers or switch cellular services without having to purchase a new mobile phone.

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USB stick

Also referred to as a jump drive or flash drive, a USB stick is a small, removable storage option for your computer. USB sticks are very popular due to their small size yet large storage capacities.

USB stick